com.facebook.presto.spi.block

Interface Block

All Known Subinterfaces:

BlockBuilder

All Known Implementing Classes:

AbstractFixedWidthBlock, AbstractVariableWidthBlock, FixedWidthBlock, FixedWidthBlockBuilder, VariableWidthBlock, VariableWidthBlockBuilder

public interface Block

Method Summary

Methods

Modifier and Type	Method and Description
void	appendTo(int position, BlockBuilder blockBuilder) Appends the value at the specified position to the block builder.
int	compareTo(int position, io.airlift.slice.Slice otherSlice, int otherOffset) Compares the value at the specified position to the value at the other offset in the other slice.
int	compareTo(SortOrder sortOrder, int position, BlockCursor cursor) Compares the value at the specified position to the value at the cursor.
int	compareTo(SortOrder sortOrder, int position, Block otherBlock, int otherPosition) Compares the value at the specified position to the value at the other position in the other block.
BlockCursor	cursor() Gets a cursor over the block.
boolean	equalTo(int position, BlockCursor cursor) Is the value at the specified position equal to the value at the cursor?
boolean	equalTo(int position, Block otherBlock, int otherPosition) Is the value at the specified position equal to the value at the other position in the other block?
boolean	equalTo(int position, io.airlift.slice.Slice otherSlice, int otherOffset) Is the value at the specified position equal to the value at the other offset in the other slice?
boolean	getBoolean(int position) Gets the value at the specified position as a boolean.
double	getDouble(int position) Gets the value at the specified position as a double.
BlockEncoding	getEncoding() Get the encoding for this block.
long	getLong(int position) Gets the value at the specified position as a long.
Object	getObjectValue(ConnectorSession session, int position) Gets the value at the specified position as an Object.
int	getPositionCount() Returns the number of positions in this block.
Block	getRegion(int positionOffset, int length) Returns a block starting at the specified position and extends for the specified length.
Block	getSingleValueBlock(int position) Gets the value at the specified position as a single element block.
int	getSizeInBytes() Returns the size of this block in memory.
io.airlift.slice.Slice	getSlice(int position) Gets the value at the specified position as a Slice.
Type	getType() Gets the type of this block.
int	hash(int position) Calculates the hash code of the value at the specified position.
boolean	isNull(int position) Is the specified position null?

Method Detail

appendTo

void appendTo(int position,
            BlockBuilder blockBuilder)

Appends the value at the specified position to the block builder.

compareTo

int compareTo(SortOrder sortOrder,
            int position,
            Block otherBlock,
            int otherPosition)

Compares the value at the specified position to the value at the other position in the other block.

compareTo

int compareTo(SortOrder sortOrder,
            int position,
            BlockCursor cursor)

Compares the value at the specified position to the value at the cursor.

compareTo

int compareTo(int position,
            io.airlift.slice.Slice otherSlice,
            int otherOffset)

Compares the value at the specified position to the value at the other offset in the other slice.

equalTo

boolean equalTo(int position,
              Block otherBlock,
              int otherPosition)

Is the value at the specified position equal to the value at the other position in the other block?

equalTo

boolean equalTo(int position,
              BlockCursor cursor)

Is the value at the specified position equal to the value at the cursor?

equalTo

boolean equalTo(int position,
              io.airlift.slice.Slice otherSlice,
              int otherOffset)

Is the value at the specified position equal to the value at the other offset in the other slice?

getBoolean

boolean getBoolean(int position)

Gets the value at the specified position as a boolean.

Throws:

IllegalArgumentException - if this position is not valid

getDouble

double getDouble(int position)

Gets the value at the specified position as a double.

Throws:

IllegalArgumentException - if this position is not valid

getLong

long getLong(int position)

Gets the value at the specified position as a long.

Throws:

IllegalArgumentException - if this position is not valid

getObjectValue

Object getObjectValue(ConnectorSession session,
                    int position)

Gets the value at the specified position as an Object.

Throws:

IllegalArgumentException - if this position is not valid

getSingleValueBlock

Block getSingleValueBlock(int position)

Gets the value at the specified position as a single element block.

Throws:

IllegalStateException - if this cursor is not at a valid position

getSlice

io.airlift.slice.Slice getSlice(int position)

Gets the value at the specified position as a Slice.

Throws:

IllegalArgumentException - if this position is not valid

getType

Type getType()

Gets the type of this block.

getPositionCount

int getPositionCount()

Returns the number of positions in this block.

getSizeInBytes

int getSizeInBytes()

Returns the size of this block in memory.

cursor

BlockCursor cursor()

Gets a cursor over the block.

getEncoding

BlockEncoding getEncoding()

Get the encoding for this block.

getRegion

Block getRegion(int positionOffset,
              int length)

Returns a block starting at the specified position and extends for the specified length. The specified region must be entirely contained within this block.

hash

int hash(int position)

Calculates the hash code of the value at the specified position.

isNull

boolean isNull(int position)

Is the specified position null?

Throws:

IllegalArgumentException - if this position is not valid